diff options
author | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
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committer | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
commit | d4ab4e6a23f805abb8fc3cc34525eec3788aeca1 (patch) | |
tree | eefd82c155bc27469a85667d759cd90facf4a6e3 /tools/perf/util/debug.c | |
parent | c0fa797ae6cd02ff87c0bfe0d509368a3b45640e (diff) | |
parent | 96fd2d57b8252e16dfacf8941f7a74a6119197f5 (diff) |
Merge branch 'master'; commit 'v2.6.39-rc3' into next
Diffstat (limited to 'tools/perf/util/debug.c')
-rw-r--r-- | tools/perf/util/debug.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index d4536a9e0d8..155749d7435 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -57,6 +57,16 @@ void ui__warning(const char *format, ...) } #endif +void ui__warning_paranoid(void) +{ + ui__warning("Permission error - are you root?\n" + "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" + " -1 - Not paranoid at all\n" + " 0 - Disallow raw tracepoint access for unpriv\n" + " 1 - Disallow cpu events for unpriv\n" + " 2 - Disallow kernel profiling for unpriv\n"); +} + void trace_event(union perf_event *event) { unsigned char *raw_event = (void *)event; |